Home / 185,450,747.12-255,909,229.16-102,938,036.48

Finding the Fourth Proportional to 185,450,747.12, 255,909,229.16 and 102,938,036.48

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Solution

The fourth proportional to 185,450,747.12, 255,909,229.16 and 102,938,036.48 is: 142,047,384.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,450,747.12 : 255,909,229.16 = 102,938,036.48 : x
  2. Step 2: Convert to fraction form
    185,450,747.12/255,909,229.16 = 102,938,036.48/x
  3. Step 3: Cross multiply
    185,450,747.12x = 255,909,229.16 × 102,938,036.48
  4. Step 4: Simplify right side
    185,450,747.12x = 26,342,793,566,840,760
  5. Step 5: Solve for x
    x = 26,342,793,566,840,760/185,450,747.12
  6. Step 6: Final answer
    x = 142,047,384.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.